1、INTERNATIONAL STANDARD ISO 10081-1 Second edition 2003-12-01 Reference number ISO 10081-1:2003(E) ISO 2003 Classification of dense shaped refractory products Part 1: Alumina-silica Classification des produits rfractaires faonns denses Partie 1: Silice-alumineISO 10081-1:2003(E) ii ISO 2003 All right
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6、 in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in SwitzerlandISO 10081-1:2003(E) ISO 2003 All rights reserved iii Foreword ISO (the International Organization for
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10、 an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. IS
11、O 10081-1 was prepared by Technical Committee ISO/TC 33, Refractories. The various parts of this revised series of ISO 10081 will cancel and replace ISO 1109:1975. Part 1 is a partial revision of ISO 1109:1975, Part 2 cancels and replaces ISO 10081-1:1991, and Part 3 is new. ISO 10081 consists of th
12、e following parts, under the general title Classification of dense shaped refractory products: Part 1: Alumina-silica Part 2: Basic products containing less than 7 % residual carbon Part 3: Basic products containing from 7 % to 50 % residual carbon Part 4 is under preparation and is intended to cove
13、r special products as given in Clause 2 of ISO 1109:1975 iv INTERNATIONAL STANDARD ISO 10081-1:2003(E) ISO 2003 All rights reserved 1 Classification of dense shaped refractory products Part 1: Alumina-silica 1S c o p e This part of ISO 10081 specifies the classification and designation of dense shap
14、ed refractory products of the alumina-silica series, with the following exceptions: a) products containing more than of any metallic oxide other than alumina, silica, iron oxide; b) products containing more than carbon, carbides, nitrides, oxynitrides or any associated materials. 2 Classification 2.
15、1 Basis of classification Dense shaped refractory products of the alumina-silica series shall be classified according to the following five criteria: a) the type of product; b) the group determined by its alumina and/or silica contents; c) the principal raw material(s); d) the state of the raw mater
16、ial(s); e) the nature of the bond (including any post treatment). 2.2 Type of product The types of dense shaped refractory products of the alumina-silica series included in this classification are: a) high alumina (HA), b) fireclay (FC), c) low alumina fireclay (LF), d) siliceous (SS), and e) silica
17、 (SL). NOTE The abbreviations used in the above list are from the English names for the refractory products. These product types shall be classified in accordance with Table 1, by their chemical analysis carried out on the calcined test products. 1) 1) A chemical analysis standard is under developme
18、nt. 5% 1%ISO 10081-1:2003(E) 2 ISO 2003 All rights reserved 2.3 Classification group The classification group of dense shaped refractory products of the alumina-silica series is determined by its alumina and/or silica contents, with the product type as shown in Table 1, applicable to the ranges give
19、n in Ta b l e 1 . 2.4 Nature of raw materials Dense shaped refractory products of the alumina-silica series shall be classified by their principal raw material when the content is greater than or equal to , or by their two principal raw materials when the content is less than . EXAMPLES Some example
20、s of raw materials are as follows: corundum; bauxite; mullite; sillimanite and associated minerals (andalusite, kyanite); fireclay; quartzites and associated products (silica sand, fused silica). 2.5 State of raw materials The raw materials shall be classified by using one of the three designations,
21、 as follows: a) naturally occurring (raw or calcined); b) synthetic calcined; c) fused. Table 1 Classification by product type and group Product type Group Contents(mass fraction) AI 2 O 3 SiO 2 High alumina HA 98 High alumina HA 95 High alumina HA 85 High alumina HA 75 High alumina HA 65 High alumi
22、na HA 55 High alumina HA 45 Fireclay FC 40 Fireclay FC 35 Fireclay FC 30 Low alumina fireclay LF 10 Siliceous SS 85 Silica SL 93 % AI 2 O 3 98 95 AI 2 O 3 98 85 AI 2 O 3 95 75 AI 2 O 3 85 65 AI 2 O 3 75 55 AI 2 O 3 65 45 AI 2 O 3 55 40 AI 2 O 3 45 35 AI 2 O 3 40 30 AI 2 O 3 35 10 AI 2 O 3 30 SiO 2 8
23、5 85 SiO 2 93 SiO 2 93 50 % 50 %ISO 10081-1:2003(E) ISO 2003 All rights reserved 3 2.6 Nature of the bond The bonding system is classified by using one of the three designations, as follows: a) ceramic bond, formed by sintering during firing to a temperature in excess of ; b) inorganic chemical bond
24、, formed by chemical reaction at ambient temperature or at a temperature below ; c) fusion cast, formed by total fusion of the product. NOTE 1 The ceramic bond may be either with or without impregnation after firing. NOTE 2 The inorganic chemical bond may be either with or without tempering at a tem
25、perature below . 3 Designation The designation of dense shaped refractory products of the alumina-silica series shall comprise the listing of the five classification criteria given in Clause 2: product type, group, nature of raw materials, state of raw materials, nature of the bond. EXAMPLES Some ex
26、amples of designations are as follows: high alumina product of the group HA 98, based on synthetic calcined corundum, with a ceramic bond; high alumina product of the group HA 75, based on naturally occurring calcined bauxite and sillimanite, with an inorganic chemical bond, tempered; high alumina product of the group HA 75, based on fused mullite, with a ceramic bond; fireclay product of the group FC 40, based on naturally occurring calcined fireclay, with a ceramic bond. 800 C 800 C 800 CISO 10081-1:2003(E) ICS 81.080 Price based on 3 pages ISO 2003 All rights reserved
